25058565 has 40 divisors (see below), whose sum is σ = 51342720. Its totient is φ = 11454048.

The previous prime is 25058543. The next prime is 25058591. The reversal of 25058565 is 56585052.

It is not a de Polignac number, because 25058565 - 2¹¹ = 25056517 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1585 + ... + 7254.

It is an arithmetic number, because the mean of its divisors is an integer number (1283568).

Almost surely, 2^25058565 is an apocalyptic number.

It is an amenable number.

25058565 is an abundant number, since it is smaller than the sum of its proper divisors (26284155).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25058565 is an equidigital number, since it uses as much as digits as its factorization.

25058565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8863 (or 8854 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 25058565 is about 5005.8530741523. The cubic root of 25058565 is about 292.6299225586.

The spelling of 25058565 in words is "twenty-five million, fifty-eight thousand, five hundred sixty-five".